Home / 791,427.86-1,187,133.03-192,389.60

Finding the Fourth Proportional to 791,427.86, 1,187,133.03 and 192,389.60

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Solution

The fourth proportional to 791,427.86, 1,187,133.03 and 192,389.60 is: 288,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,427.86 : 1,187,133.03 = 192,389.60 : x
  2. Step 2: Convert to fraction form
    791,427.86/1,187,133.03 = 192,389.60/x
  3. Step 3: Cross multiply
    791,427.86x = 1,187,133.03 × 192,389.60
  4. Step 4: Simplify right side
    791,427.86x = 228,392,042,852.82
  5. Step 5: Solve for x
    x = 228,392,042,852.82/791,427.86
  6. Step 6: Final answer
    x = 288,582.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.